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Exim Mail Server

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Exim Mail Server Mail Server Help forum discussing tips, tricks, techniques and Spam containment solutions. Topics include mail servers such as Sendmail and Qmail, webmail interfaces such as Squirrelmail and Horde and spam solutions such as SpamAssassin and Bayesian

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  #1  
Old February 11th, 2004, 07:00 AM
kafsar kafsar is offline
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Unhappy Exim Mail Server
Installed Exim, Teapop server over Linux

I can send and receive mail localy and can send mail to outside world.

but I can't receive the mail from out side like yahoo, hotmail, etc

I have dyanamic IP, so I signup with no-ip.org and get domain name jemp.no-ip.com.

any one can help about this problem...
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  #2  
Old February 11th, 2004, 03:45 PM
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Code:
[root@vaio root]# nmap -sT -p 25 -P0 jemp.no-ip.com.

Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
Interesting ports on  (213.210.240.104):
Port       State       Service
25/tcp     filtered    smtp

Nmap run completed -- 1 IP address (1 host up) scanned in 37 seconds
[root@vaio root]#

You have a firewall or packet filter preventing access to port 25 on your machine from the outside world.
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(http://www.alex-greg.com)
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  #3  
Old February 14th, 2004, 12:58 AM
kafsar kafsar is offline
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when I used dialup modem and I try as follow.

telnet jemp.no-ip.com 25

I get reply

but when I connect through DSL modem and I telnet then no responce...


my DSL modem is (SpeedTouch 510), I checked in modem setup but I did't find any NAT entry.

Kindly help
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  #4  
Old February 14th, 2004, 07:21 AM
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Have you added jemp.no-ip.com to the local_domains domainlist in your exim configure file?

Code:
domainlist local_domains = @ : jemp.no-ip.com


In the default exim4 configuration this domainlist is checked in the RCPT acl to make sure that the server actually accepts mail for the domain.

You can also run exim in a 'fake telnet' session using the -bh option to find out where the problem is:

Code:
exim -bh <some_remote_address_here>


You can then issue SMTP commands to pretend you're delivering mail from somewhere and get detailed debug info about the session. In your case you'd want to fake a telnet session from one of hotmail's mx servers (get that from 'host -t mx hotmail.com') and then issue the commands:

Code:
HELO hotmail.com
mail from: <some_real_address@hotmail.com>
rcpt to: <some_real_address@jemp.no-ip.com>
data
<enter some data here
.


As you're entering the test commands, look to see where things go wrong - if you still can't work out why it isn't working, paste the output from the session here and perhaps someone will see what the problem is.
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  #5  
Old February 15th, 2004, 02:44 AM
kafsar kafsar is offline
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Quote:
domainlist local_domains = @ : jemp.no-ip.com
yes it is there..

exim -bh 64.156.215.5.25

get the following on screen:


Code:
**** SMTP testing session as if form host 64.156.215.5
**** Not for real!

>>> host in host_lookup? yes (*)
>>> looking up host name for 64.156.215.5
>>> IP address lookup yielded mta-v20.level3.mail.yahoo.com
>>> host in host_reject? no (option unset)
>>> host in host_reject? no (option unset)
>>> host in host_reject_recipients? no (option unset)
>>> host auth_hosts? no (option unset)
>>> host in auth_over_tls_hosts? no (option unset)
>>> host in tls_hosts? no (option unset)
>>> host in sender_unqualified_hosts? no (option unset)
>>> host in receiver_unqualified_hosts? no (option unset)
>>> host in helo_verify? no (option unset)
>>> host in helo_accept_junk_hosts? no (option unset)
250 jemp.no-ip.com ESMTP Exim 3.36 #4 Sun, 15 Feb 2004 08:12:31 +0000


as I said when I connect via dialup then no problem for send and receive mail but when I connect via DSL then I can send but can't receive mail.

my DSL modem is (SpeedTouch 510) NAPT
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  #6  
Old February 15th, 2004, 08:47 AM
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You missed out the important parts from the exim -bh session! Include the SMTP conversation as well.

I'm just thinking though - are you sure your DSL ISP allows you to accept connections on port 25? What bounce messages do you get when you try and send mail to the DSL connected mail server?
Last edited by munkfish : February 15th, 2004 at 09:00 AM.
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  #7  
Old February 19th, 2004, 04:36 PM
kafsar kafsar is offline
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today I changed my DSL modem from (SpeedTouch 510) to Zoom 4x,, now I can connect my web server and ftp server from the internet even I can telnet port 23,,, but I can't receive mail..

I run from windows XP following two command from outside (Internet) and get this result.

1-

C:\nmap -sT -p 25 -P0 jemp.no-ip.com.

Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
Interesting ports on (213.210.242.253):
Port State Service
25/tcp open smtp

Nmap run completed -- 1 IP address (1 host up) scanned in 11 seconds
C:\

2- C:\nmap -P0 -p 25 jemp.no-ip.com.

Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
Interesting ports on (213.210.242.253):
Port State Service
25/tcp filtered smtp

Nmap run completed -- 1 IP address (1 host up) scanned in 47 seconds
c:\

from the above two command and result which one is correct?

other issue that I can't send mail to hotmail. as I mentioned I have Exim 3.x mail server.. I read some topic in fourm regading hotmail but I dont understand..


Kindly help..

Thanks
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  #8  
Old February 19th, 2004, 06:10 PM
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It looks like port 25 is being filtered - perhaps your ISP is doing this?

You could try changing your listening port to something else with:

Code:
# in main exim conf:
daemon_smtp_ports=2525 # or whatever port you choose


What errors do you get when you try and send mail to a hotmail account?
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  #9  
Old February 21st, 2004, 01:31 AM
kafsar kafsar is offline
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I add the following line in Exim configure file

Quote:
daemon_smtp_ports=2525


when I start exim I received the following error.

Exim configuration error
option "daemon_smtp_ports" unknown in line 309
---------------

Regarding sending mail to hotmail:

Surprise when I send only one word like 'hello' ore 'test' I received message as junk mail, but when I send message more then three line I received message in my inbox..
Last edited by kafsar : February 22nd, 2004 at 02:38 AM.
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  #10  
Old March 4th, 2004, 04:56 AM
joeaj joeaj is offline
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Need Exim Help Please
Hello all,

Im new to Exim. I run a linux server with web, email, and ftp services. I need a way to get a copy of all messages sent from a certain account on the server to my inbox.

Your help is greatly appreciated
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